Improvement in lock-hut



EDWIN T. LIGON, OF DEMOPULIS, ALABAMA.

Letters Patent No. 103,3-48. dated May 24, 1870.

i IMPROVEMENT IN LUCK-NUT.

The Schedule referred to in these Letters Patent and making part of theDame.

` To all '1t-hom Hanny concern:

Be it known that I, EDWIN T. LIGON, ot' Demopc` 1 lis, in the county ot'Marengo and State ot' Alabamm have invented a new and improvedNut-Fastenin g; and `I do hereby declare that the following is ai'ull, clear, and exact description thereof, which will enable othersskilled in the art to ina-ke and use the same,refere1i|ee being had `tothe aeconipanv-'ing'l drawing formingpart ot' this specification.

This invention relates to improvements in fastening nuts to bolts toprevent them from unserewing, and

bolt.

Figure 2 is another section of a. nut applied to a. bolt, and providedwith a recess in the underside, in which is a ring of solder.

Similar' letters ot' reference indicate corresponding parts.

A is the nut;

B, the holt; and

C, the pin of solder.

I), in tlg. 2, represents a rinr ot solder.

This solder may he applied in any way li'ound best. For example, thethreads ol' the nut and the. serew may he coated with it.

' After the unt is screwed home I apply a hoty wrench to melt thesolder, and permanently solder the parts together, after the wrench isremoved to allow the Solder to cool.

Instead oi' using a wrench I may employ any other suitable means forheating the solder. 'If-or removingl the nut I also apply a hot wrenchto first melt the solder again.

.Haring thus described my invention,

I claim as new and desire to secure nv Letters Iatent- The nut and holt,secured together hy means of a ring, pin, or other holly of' solder, socombined there` with as to nnite the two, when heat is applied, by meansol' a hot wrench, or otherwise, after the part-s are screwed together.substantially as specified.

' A EDWIN l. LIGON.

